Base | Representation |
---|---|
bin | 101001001000010… |
… | …0011011010110000 |
3 | 10120011211212122000 |
4 | 1102100203122300 |
5 | 10311244233323 |
6 | 344535414000 |
7 | 46125260604 |
oct | 12220433260 |
9 | 3504755560 |
10 | 1380071088 |
11 | 649017920 |
12 | 326224300 |
13 | 18cbc1816 |
14 | d1405504 |
15 | 81259e43 |
hex | 524236b0 |
1380071088 has 80 divisors (see below), whose sum is σ = 4321449600. Its totient is φ = 418201920.
The previous prime is 1380071087. The next prime is 1380071107. The reversal of 1380071088 is 8801700831.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1380071083) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140458 + ... + 149961.
It is an arithmetic number, because the mean of its divisors is an integer number (54018120).
Almost surely, 21380071088 is an apocalyptic number.
1380071088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1380071088 is an abundant number, since it is smaller than the sum of its proper divisors (2941378512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380071088 is a wasteful number, since it uses less digits than its factorization.
1380071088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290447 (or 290435 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 36.
The square root of 1380071088 is about 37149.3080420080. The cubic root of 1380071088 is about 1113.3553983061.
The spelling of 1380071088 in words is "one billion, three hundred eighty million, seventy-one thousand, eighty-eight".
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